NOTES 2.1Rational Numbers

VOCAB: rational number: is a number that can be written as the ratio of two integers. (a fraction)

terminating decimal: is a decimal that ends.Ex: 1.5 or -0.25 or 10.625

repeating decimal: is a decimal that has a pattern that repeats.Ex: -1.33333 or 0.1515151515

Terminating and repeating decimals are examples of rational numbers

NOTES 2.1Rational Numbers

Writing rational numbers as decimals:Ex: Write -2⅘ as a decimal

-2.8Ex: Write ⅓ as a decimal

0.3

NOTES 2.1Rational Numbers

Writing a decimal as a fraction:Ex: Write -0.26 as a fraction in simplest form

Ordering rational numbers: Write each rational number as a decimal, then graph on number line